People who have a strong friendship possess the ability to communicate with one another through facial expressions.
46
Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
9
As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
687
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
People with blue eyes are better able to see in the dark.
153
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
You share your birthday with at least 9 other million people in the world.
201
